Home / 31,723.73-47,586.13-12,011.57

Finding the Fourth Proportional to 31,723.73, 47,586.13 and 12,011.57

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Solution

The fourth proportional to 31,723.73, 47,586.13 and 12,011.57 is: 18,017.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,723.73 : 47,586.13 = 12,011.57 : x
  2. Step 2: Convert to fraction form
    31,723.73/47,586.13 = 12,011.57/x
  3. Step 3: Cross multiply
    31,723.73x = 47,586.13 × 12,011.57
  4. Step 4: Simplify right side
    31,723.73x = 571,584,109.58
  5. Step 5: Solve for x
    x = 571,584,109.58/31,723.73
  6. Step 6: Final answer
    x = 18,017.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.